Alpha pH 560 limit control meter simplifies the task of controlling several processes with two set-point relays. Separately adjustable high and low hysteresis ensures chatter-free signals, preventing false alarms and unnecessary down-times.
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Separately adjustable High/Low hysteresis with user-adjustable time delay of up to 2000 seconds for minimal chattering and false alarm
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Two switching contacts as set-point relays
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Large UV Light protected LCD with backlight
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Symmetrical Mode option gives clear, accurate readings in electrically noisy ambient
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Push button operation for easy set-up programming and customization
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US and NIST auto buffer recognition for quick,
easy calibration
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Reliable, accurate measurements at different temperature with Automatic Temperature Compensation
Specifications
Product
Specification
Description
pH
Range
0.00 to 14.00 pH
Resolution
0.01 pH
Accuracy
±0.01 pH
ORP
Range
-1000 to 1000 mV
Resolution
1 mV
Accuracy
±1 mV
Temperature
Range
-10.0 to 125.0 °C / 14.0 to 157.0 °F
Resolution
0.1 °C / 0.1 °F
Accuracy
±0.5 °C / ±0.9°F
Sensor
Pt100; 2 or 3 wire
Compensation
Auto/manual
Controller
Set Point 1 (SP1) /
set Point 2 (SP2)
0.00 to 14.00 pH
Switching pH Hysteresis
±1.0 pH
Switching ORP Hysteresis
10 to 100 mV
Function (Switchable)
Limit control; off
Pickup/Dropout Delay
0 to 2000 sec
Contact Outputs
2 SPST relays
Switching Voltage/
Current Power
1/8 HP:
at 125 VAC / max. 0.74 A / max. 93 VA
1/8 HP:
at 250 VAC / max. 0.37 A / max. 93 VA
Electrical
Data And Connections
pH/ORP Input
2-pin terminal; asymmetrical/symmetrical
Connection Terminal
2-pin & 8-pin terminal, detachable blocks; DC jack
Display
LCD
7 segments display with symbols for status information
Backlight
Yes (on/off selectable)
Power
Supply
Input
12 to 24 V DC or 9 V DC
EMC Specifications
Emitted Interference
According to EN 61326
Immunity
To Interference
According to EN 61326
Environmental Conditions
Operating Temperature Range
0 to 40 ºC
Max. Relative Humidity
80 % up to 31 ºC decreasing linearly to 50 %
at 40 ºC
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